729047523 has 8 divisors (see below), whose sum is σ = 974670928. Its totient is φ = 484727904.

The previous prime is 729047521. The next prime is 729047531. The reversal of 729047523 is 325740927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 729047523 - 2¹ = 729047521 is a prime.

It is a super-5 number, since 5×729047523⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729047521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324640 + ... + 326877.

It is an arithmetic number, because the mean of its divisors is an integer number (121833866).

Almost surely, 2^729047523 is an apocalyptic number.

729047523 is a deficient number, since it is larger than the sum of its proper divisors (245623405).

729047523 is a wasteful number, since it uses less digits than its factorization.

729047523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651893.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 729047523 is about 27000.8800412135. The cubic root of 729047523 is about 900.0195563652.

The spelling of 729047523 in words is "seven hundred twenty-nine million, forty-seven thousand, five hundred twenty-three".